January 2001
Intermediate to advanced
368 pages
11h 35m
English
Content preview from IP Quality of Service
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Objectives 15
End-to-End QoS
Layer 2 QoS technologies offer solutions on a smaller scope only and can’t provide end-to-
end QoS simply because the Internet or any large scale IP network is made up of a large
group of diverse Layer 2 technologies. In a network, end-to-end connectivity starts at Layer
3 and, hence, only a network layer protocol, which is IP in the TCP/IP-based Internet, can
deliver end-to-end QoS.
The Internet is made up of diverse link technologies and physical media. IP, being the layer
providing end-to-end connectivity, needs to map its QoS functions to the link QoS
mechanisms, especially of switched networks, to facilitate end-to-end ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.